Meckwell 2006
CAB
1§-3©=8+HcP,GF
4-4-0-5
3ª=Control ASK
STEP response
1. 0-2 control
2. 3 control
3. 4 control
4. 5 control
5. 6 control
6. 7+ control
4§=#Slam force
4¨=#Signoff force
4©=RKCB in Clubs
4ª=RKCB in Hearts
4NT=RKCB in Spades